compositor+matugen: border override, hypr/mango layout overrides, new

templates, respect XDG paths
- Add Hyprland and MangoWC templates
- Add GUI gaps, window radius, and border thickness overrides for niri,
  Hyprland, and MangoWC
- Add replacement support in matugen templates for DATA_DIR, CACHE_DIR,
  CONFIG_DIR
fixes #1274
fixes #1273

core/internal/config/embedded/hyprland.conf

@@ -27,10 +27,7 @@ input {
 general {
     gaps_in = 5
     gaps_out = 5
-    border_size = 0  # off in niri
-
-    col.active_border = rgba(707070ff)
-    col.inactive_border = rgba(d0d0d0ff)
+    border_size = 2
 
     layout = dwindle
 }
@@ -42,7 +39,7 @@ decoration {
     rounding = 12
 
     active_opacity = 1.0
-    inactive_opacity = 0.9
+    inactive_opacity = 1.0
 
     shadow {
         enabled = true
@@ -93,7 +90,6 @@ misc {
 windowrule = tile on, match:class ^(org\.wezfurlong\.wezterm)$
 
 windowrule = rounding 12, match:class ^(org\.gnome\.)
-windowrule = border_size 0, match:class ^(org\.gnome\.)
 
 windowrule = tile on, match:class ^(gnome-control-center)$
 windowrule = tile on, match:class ^(pavucontrol)$
@@ -106,12 +102,6 @@ windowrule = float on, match:class ^(org\.gnome\.Nautilus)$
 windowrule = float on, match:class ^(steam)$
 windowrule = float on, match:class ^(xdg-desktop-portal)$
 
-windowrule = border_size 0, match:class ^(org\.wezfurlong\.wezterm)$
-windowrule = border_size 0, match:class ^(Alacritty)$
-windowrule = border_size 0, match:class ^(zen)$
-windowrule = border_size 0, match:class ^(com\.mitchellh\.ghostty)$
-windowrule = border_size 0, match:class ^(kitty)$
-
 windowrule = float on, match:class ^(firefox)$, match:title ^(Picture-in-Picture)$
 windowrule = float on, match:class ^(zoom)$
 
@@ -281,3 +271,7 @@ bind = ALT, Print, exec, dms screenshot window
 
 # === System Controls ===
 bind = $mod SHIFT, P, dpms, toggle
+
+source = ./dms/colors.conf
+source = ./dms/outputs.conf
+source = ./dms/layout.conf